package api_.string_;

public class ToUpperCaseDemo
{
    public static void main(String[] args)
    {
        String  string = "                  ABCDEFG        ";
        String lower = string.toLowerCase().trim();
        String upper = string.toUpperCase().trim();
        System.out.println(string);
        System.out.println(lower);
        System.out.println(upper);
    }
}
